| SP | deGrom, J.deGrom, Jacob † >> | 30 | 2018 | R | 93 | 20 | 20 | 7 | 8 | 4.00 | .301 | 1.24 | 8.5 | 2.7 | 9.8 | 128.1 | 121 | 58 | 57 | 19 | 38 | 139 | 3 | 0 | 0 | 1 | 11 | 7 | 0 | 3.81 |
| SP | Strasburg, S.Strasburg, Stephen >> | 30 | 2019 | R | 76 | 19 | 19 | 4 | 6 | 7.67 | .351 | 1.61 | 10.7 | 3.9 | 11.1 | 85.2 | 101 | 73 | 73 | 20 | 37 | 105 | 0 | 0 | 0 | 0 | 5 | 1 | 2 | 4.93 |
| SP | Morton, C.Morton, Charlie >> | 36 | 2019 | R | 54 | 21 | 19 | 7 | 8 | 5.02 | .331 | 1.48 | 9.8 | 3.5 | 10.5 | 107.2 | 117 | 61 | 60 | 19 | 42 | 125 | 0 | 0 | 1 | 0 | 11 | 1 | 5 | 4.18 |
| CL | Jansen, K.Jansen, Kenley † >> | 28 | 2016 | R | 98 | 50 | 0 | 4 | 4 | 3.64 | .309 | 1.32 | 7.9 | 4.0 | 9.4 | 47.0 | 41 | 19 | 19 | 6 | 21 | 49 | 0 | 26 | 3 | 0 | 0 | 1 | 1 | 3.98 |
| RP | Boxberger, B.Boxberger, Brad >> | 26 | 2014 | R | 87 | 62 | 0 | 3 | 0 | 2.89 | .274 | 1.11 | 6.3 | 3.7 | 10.2 | 53.0 | 37 | 17 | 17 | 6 | 22 | 60 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 3.51 |
| RP | Britton, Z.Britton, Zach >> | 28 | 2016 | L | 74 | 57 | 0 | 2 | 1 | 2.83 | .274 | 1.12 | 6.9 | 3.2 | 9.2 | 57.1 | 44 | 18 | 18 | 5 | 20 | 58 | 0 | 2 | 1 | 0 | 0 | 1 | 9 | 3.21 |
| RP | Siegrist, K.Siegrist, Kevin >> | 23 | 2013 | L | 80 | 35 | 0 | 3 | 3 | 4.24 | .275 | 1.14 | 6.5 | 3.8 | 7.7 | 40.1 | 29 | 19 | 19 | 5 | 17 | 34 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 4.20 |
| SP | McHugh, C.McHugh, Collin >> | 27 | 2014 | R | 80 | 25 | 0 | 5 | 2 | 5.47 | .306 | 1.31 | 9.0 | 2.8 | 8.1 | 74.0 | 74 | 46 | 45 | 21 | 23 | 67 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 5.85 |